Jedna z\u00a0hlavn\u00edch ot\u00e1zek sou\u010dasn\u00e9 astronomie je, jak se planety kolem hv\u011bzd dost\u00e1vaj\u00ed na sv\u00e9 pozorovan\u00e9 ob\u011b\u017en\u00e9 dr\u00e1hy, kter\u00e9 jsou mate\u0159sk\u00e9 hv\u011bzd\u011b mnohem bl\u00ed\u017ee, ne\u017e pozorujeme\u00a0v na\u0161\u00ed Slune\u010dn\u00ed soustav\u011b. K\u00a0roz\u0159e\u0161en\u00ed t\u00e9to z\u00e1hady m\u016f\u017ee p\u0159isp\u011bt v\u00fdzkum sklon\u016f ob\u011b\u017en\u00fdch drah exoplanet. N\u011bkter\u00e9 studie ukazuj\u00ed, \u017ee ob\u011b\u017en\u00e9 dr\u00e1hy exoplanet mohou b\u00fdt r\u016fzn\u011b orientovan\u00e9 v\u016f\u010di rota\u010dn\u00edm os\u00e1m mate\u0159sk\u00fdch hv\u011bzd, co\u017e pravd\u011bpodobn\u011b souvis\u00ed s\u00a0jejich dynamickou histori\u00ed. Planet, u\u00a0nich\u017e je takov\u00e1 informace zn\u00e1ma, v\u0161ak nen\u00ed mnoho, a\u00a0ka\u017ed\u00e1 dal\u0161\u00ed je d\u016fle\u017eit\u00fdm st\u0159\u00edpkem do skl\u00e1da\u010dky v\u00fdvoje planet\u00e1rn\u00edch syst\u00e9m\u016f. Ji\u0159\u00ed \u017d\u00e1k ze Stel\u00e1rn\u00edho odd\u011blen\u00ed ASU vedl studii, kter\u00e1 m\u011b\u0159ila sklon ob\u011b\u017en\u00fdch drah exoplanet pomoc\u00ed tzv. Rossiterova-McLaughlinova efektu. Tyto poznatky pom\u00e1haj\u00ed pochopit, jak planet\u00e1rn\u00ed soustavy vznikaj\u00ed a\u00a0vyv\u00edjej\u00ed se v\u00a0pr\u016fb\u011bhu milion\u016f let. V\u00fdznamn\u011b p\u0159isp\u00edvaj\u00ed i\u00a0k debat\u011b o\u00a0stabilit\u011b a\u00a0obyvatelnosti exoplanet\u00e1rn\u00edch syst\u00e9m\u016f.<\/p>\n\n\n\n
Od objevu prvn\u00ed exoplanety v\u00a0roce 1992 se po\u010det zn\u00e1m\u00fdch planet mimo na\u0161i Slune\u010dn\u00ed soustavu dramaticky zv\u00fd\u0161il. V\u00a0sou\u010dasnosti je zn\u00e1mo v\u00edce ne\u017e 7 400 exoplanet v\u00a0p\u0159es 5\u00a0000 planet\u00e1rn\u00edch soustav\u00e1ch, z\u00a0nich\u017e asi 1 000 je v\u00edcen\u00e1sobn\u00fdch, tedy obsahuj\u00edc\u00edch v\u00edce ne\u017e jednu planetu.<\/p>\n\n\n\n
Studium geometrie ob\u011b\u017en\u00fdch drah exoplanet v t\u011bchto v\u00edcen\u00e1sobn\u00fdch syst\u00e9mech poskytuje cenn\u00e9 informace o jejich vzniku a dynamick\u00e9m v\u00fdvoji. V na\u0161\u00ed Slune\u010dn\u00ed soustav\u011b jsou ob\u011b\u017en\u00e9 dr\u00e1hy planet p\u0159ibli\u017en\u011b zarovn\u00e1ny s rovn\u00edkem Slunce, co\u017e nazna\u010duje klidn\u00fd proces formov\u00e1n\u00ed z protoplanet\u00e1rn\u00edho disku. Nicm\u00e9n\u011b, u n\u011bkter\u00fdch exoplanet\u00e1rn\u00edch syst\u00e9m\u016f byly zji\u0161t\u011bny v\u00fdrazn\u00e9 sklony ob\u011b\u017en\u00fdch drah v\u016f\u010di rota\u010dn\u00ed ose hv\u011bzdy. Nap\u0159\u00edklad v syst\u00e9mu HD 3167 jsou ob\u011b\u017en\u00e9 dr\u00e1hy dvou planet sklon\u011bny v\u016f\u010di sob\u011b o t\u00e9m\u011b\u0159 90\u00b0, co\u017e nazna\u010duje slo\u017eit\u011bj\u0161\u00ed dynamickou historii.<\/p>\n\n\n\n
Pokra\u010dov\u00e1n\u00ed: web ASU<\/a><\/p>\n\n\n\n Rossiter\u016fv-McLaughlin\u016fv efekt pozorovan\u00fd pro exoplanetu WASP-48b spektrografem HAPRS-N. Pozorovan\u00e1 data jsou zobrazena \u010dern\u00fdmi body v\u010detn\u011b nejistot. Modr\u00e1 \u010d\u00e1ra zobrazuje nejlep\u0161\u00ed model Rossiterova-McLaughlinova efektu spole\u010dn\u011b s chybov\u00fdmi plochami zobrazen\u00fdmi odst\u00edny \u0161edi.<\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" Jedna z\u00a0hlavn\u00edch ot\u00e1zek sou\u010dasn\u00e9 astronomie je, jak se planety kolem hv\u011bzd dost\u00e1vaj\u00ed na sv\u00e9 pozorovan\u00e9 ob\u011b\u017en\u00e9 dr\u00e1hy, kter\u00e9 jsou mate\u0159sk\u00e9 hv\u011bzd\u011b mnohem bl\u00ed\u017ee, ne\u017e pozorujeme\u00a0v<\/p>\n","protected":false},"author":4,"featured_media":3391,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,32],"tags":[],"class_list":["post-3389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exoplanety","category-novinky"],"_links":{"self":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/comments?post=3389"}],"version-history":[{"count":2,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3389\/revisions"}],"predecessor-version":[{"id":3392,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/posts\/3389\/revisions\/3392"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media\/3391"}],"wp:attachment":[{"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/media?parent=3389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/categories?post=3389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stel.asu.cas.cz\/cs\/wp-json\/wp\/v2\/tags?post=3389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Popis obr\u00e1zku<\/h4>\n\n\n\n
Odkazy a dal\u0161\u00ed informace<\/h4>\n\n\n\n
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